- An enzyme catalyzing the reversible dehydration of 2-phospho-d-glycerate to phosphoenolpyruvate and water; a step in both glycolysis and gluconeogenesis; several isozymes exist; requires magnesium ion and is inhibited by F−. SYN: phosphopyruvate hydratase.- neuron-specific e. an isoenzyme of e. present in neurons and glial cells; stains for this enzyme are frequently used in the differential diagnosis of neuronal or neuroendocrine tumors.
* * *eno·lase 'ē-nə-.lās, -.lāz n a crystalline enzyme that is found esp. in muscle and yeast and is important in the metabolism of carbohydrates
* * *eno·lase (eґno-lās) phosphopyruvate hydratase.
Medical dictionary. 2011.